21000295682

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8613739}}^1$

素因数の和:8613817

約数の個数: 16

約数和(自身を含む): 33490221120

約数和(自身を除く): 12489925438

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8613739, 17227478, 198115997, 396231994, 456528167, 913056334, 10500147841, 21000295682]

約数ペア:

[(1, 21000295682), (2, 10500147841), (23, 913056334), (46, 456528167), (53, 396231994), (106, 198115997), (1219, 17227478), (2438, 8613739)]